particle

antiparticle

Meson pair

I

I3

strangeness

Δ +

Δ

π + + f 0

1

1

0

Δ 0

Δ 0

π 0 + f 0

1

0

0

Δ

Δ +

π + f 0

1

−1

0

Σ +

Σ

π + + η 0

1

1

0

Σ 0

Σ 0

π 0 + η 0

1

0

0

Σ

Σ +

π + η 0

1

−1

0

Ξ +

Ξ

η 0 + k +

1 2

1 2

1

Ξ

Ξ +

η 0 + k

1 2

1 2

−1

Ξ 0

Ξ 0

k + + k

0

0

0

Ω +

Ω

η 0 + k +

1 2

1 2

1

Ω

Ω +

η 0 + k

1 2

1 2

−1